Link to article/source:DEFINITION
Insomnia is the inability to get an adequate amount of sleep. The difficulty can be in falling asleep, remaining asleep, or both. Insomnia is a common disorder that affects millions of people. It can be caused by many different conditions, diseases, and circumstances.
On a side note This is journal material since the only question you asked was is this insomina. Try to ask other questions that would spark actual discussion !